Re: [REGRESSION] Power9 pseries boot hang in v7.2-rc6, narrowed to PowerPC GENERIC_ENTRY conversion window

Mukesh Kumar Chaurasiya <[email protected]> Tue, 11 Aug 2026 11:37:45 +0530

Newsgroups	org.ozlabs.lists.linuxppc-dev,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Mon, Aug 10, 2026 at 05:19:27PM +0530, Venkat Rao Bagalkote wrote:
> Hi Shrikanth,
> 
> 
> On 04/08/26 8:23 pm, Shrikanth Hegde wrote:
> > Hi Venkat.
> > 
> > On 8/4/26 2:04 PM, Venkat Rao Bagalkote wrote:
> > > Hi,
> > > 
> > > I'm seeing a boot regression on a Power9 pseries LPAR. The system
> > > hangs very early during boot after:
> > > 
> > > Quiescing Open Firmware ...
> > > Booting Linux via __start() ...
> > > 
> > 
> > That is strange. not sure where to look at without any logs.
> > Is it a specific config that fails or this specific LPAR that fails?
> > 
Is this a specific lpar or all power9 pseries are exhibiting same
behaviour?

Regards,
Mukesh
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